Serving tray accessory



FIG. 1 is a top perspective view of the serving tray accessory;

FIG. 2 is a bottom perspective view of the serving tray accessory;

FIG. 3 is a top elevational view of the serving tray accessory;

FIG. 4 is a front elevational view of the serving tray accessory;

FIG. 5 is a side elevational view of the of the serving tray accessory;

FIG. 6 is a rear elevational view of the of the serving tray accessory; and,

FIG. 7 is a bottom elevational view of the serving tray accessory. 

The ornamental design for a serving tray accessory, as shown and described herein. 